VOCALOID

VOCALOID (often referred to as just "V1" in VOCALOID communities) is a singing synthesizer application software developed by the YAMAHA Corporation. The project was an international effort, and is considered the brainchild of Kenmochi Hideki, also known as the "father" of VOCALOID.

Its initial release January 15th, 2004.

Releases

 * LEON
 * LOLA
 * MIRIAM
 * MEIKO
 * KAITO

Source

 * http://vocaloid.wikia.com/wiki/VOCALOID